jQuery(document).ready(function(){
	
	$("#container").css( {backgroundPosition: "50% 100%"} );
	
	$('#galeria-btn').click(function(){
		
		if(screen.height==768){
			$('#container').animate({backgroundPosition : '50% 28%'}, 2000);
		} else if (screen.height==800){
			$('#container').animate({backgroundPosition : '50% 28%'}, 2000);
			} else if (screen.height==900){
				$('#container').animate({backgroundPosition : '50% 22.5%'}, 2000);
				} else if (screen.height==1050){
					$('#container').animate({backgroundPosition : '50% 19%'}, 2000);
					} else if (screen.height==1024){
						$('#container').animate({backgroundPosition : '50% 15%'}, 2000);
						} else if (screen.height==1200){
							$('#container').animate({backgroundPosition : '50% 2%'}, 2000);
							}else {
								$('#container').animate({backgroundPosition : '50% 25%'}, 2000);
								}
			
		
		$('#header, #content, #footer').fadeOut(2000);
		
		setTimeout(function(){ 
			$('#gallery').fadeIn(2000);
		}, 2000);
		
	});
	
	$('#bt_voltar_galeria').click(function(){
		
		$("#container").animate({backgroundPosition:"50% 100%"}, 2000);
		$('#gallery').fadeOut(2000);
		
		setTimeout(function(){ 
		$('#header, #content, #footer').fadeIn(2000);
		}, 2000);
		
});

	
});